Home / 94,688,008.80-142,032,013.20-90,972,117.60

Finding the Fourth Proportional to 94,688,008.80, 142,032,013.20 and 90,972,117.60

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Solution

The fourth proportional to 94,688,008.80, 142,032,013.20 and 90,972,117.60 is: 136,458,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,688,008.80 : 142,032,013.20 = 90,972,117.60 : x
  2. Step 2: Convert to fraction form
    94,688,008.80/142,032,013.20 = 90,972,117.60/x
  3. Step 3: Cross multiply
    94,688,008.80x = 142,032,013.20 × 90,972,117.60
  4. Step 4: Simplify right side
    94,688,008.80x = 12,920,953,007,795,150
  5. Step 5: Solve for x
    x = 12,920,953,007,795,150/94,688,008.80
  6. Step 6: Final answer
    x = 136,458,176.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.